Is the input cable, Attached? | LG Electronics 37LC2D(B), 32LC2D(B)

Is the input cable

No image	Is the	YES		NO	Attach the input
No image	Set ON?		Is the input cable		cable(s)
	Set ON?		attached?		cable(s)
			attached?
	NO		YES
	Push the POWER
	ON key		Check the			What is			Power Error
			Condition of all	PASS					Power Error
			Condition of all	PASS
			Connectors, wafers,			the input signal
			I2C In the			mode?			FAIL
			system.
							Check CVBS	FAIL	Check 3.3V
						AV2	Signal at R105		At L110 on jack
							of jack board		board
							PASS		PASS
- 19									Replace Jack board
-		PASS	Check 24bit	PASS					Replace Jack board
-	Check LVDS					Check Main_V	Check Sub_V

			RGB at AR700-
	Output of Cortez		RGB at AR700-			At R309	At R302
PASS	Output of Cortez		AR705			At R309	At R302
			AR705

Check for S/W error	FAIL		FAIL			FAIL
	Replace Cortez					Check Q303
			Check Power			Check Q303	PASS
			Levels and crystal			Circuit and 9V	Replace CXA2069
			Levels and crystal			at L300
	PASS					at L300
	PASS
	Replace Hudson					FAIL	Correct the circuit
	Replace Hudson		FAIL				Correct the circuit
			Power Error

Image 19

LG Electronics 37LC2D(B), 32LC2D(B), 42LC2D(B) service manual Is the input cable, attached?

Contents

SERVICE MANUAL READ THE SAFETY PRECAUTIONS IN THIS MANUALCHASSIS LD61A FACTORY NAME 32LC2DB-EC/37LC2DB-EC/42LC2DB-EC BEFORE SERVICING THE CHASSIS SPECIFICATION CONTENTSCONTENTS PRODUCT SAFETY Leakage Current Hot Check circuit SAFETY PRECAUTIONSIMPORTANT SAFETY NOTICE General Guidance Electrostatically Sensitive ES Devices SERVICING PRECAUTIONS Power Output, Transistor Device Removal/Replacement IC Remove/ReplacementReplacement Small-Signal Discrete Transistor Removal/Replacement 1.General SpecificationTV SPECIFICATION reatment of the front polarizer 2. General Specification 4.Component Video Input Y, PB, PR 3.Optical FeatureLCD Module 6. RGB DTV INPUT Mode Table 5. RGB PC INPUT Mode TableRGB-PC EDID DATA 8. HDMI DTV Mode Table 7. HDMI INPUT Mode TableHDMI EDID DATA Table 1 Scart Arrangement 1.Full Scart 7. Mechanical specification8. Mechanical specification 32LC2D Table 2 Scart Arrangement 2.Half Scart 3. Channel Memory ADJUSTMENT INSTRUCTION2. Specification 1. Application Range Panel size selection 5. Select method of Panel size6. ADC Calibration Before AV ADC Calibration, should be executed the Cool11000K - x 0.274±0.003, y 0.286±0.003 7. White BalanceBefore White-balance, the AV ADC should be done Case1 EC and FC model use PAL-BGDHI composite signal FUNTION SVC REMOCON TROUBLESHOOTING No image attached? Is the input cable No image PASS No image No image No image No image No image AV1,AV2 ,AV3 TROUBLESHOOTING AV1, 2, 3, 4/S-VideoVolume level Of AV4/S-Video L/R signal TROUBLESHOOTING DTV/HDMI-Audio TROUBLESHOOTING RF/Component/PC FFC Wafer BLOCK DIAGRAMMainTDFB-G236P DVB/PAL Wafer Sound processor BLOCK DIAGRAMJackAUDIO/VI DEO SW CXA2069Q 010 020050 EXPLODED VIEW32LC2D DESCRIPTION EXPLODED VIEW PARTS LIST32LC2D EXPLODED VIEW37LC2D EXPLODED VIEW PARTS LIST37LC2D 020080 130030 150 090 EXPLODED VIEW42LC2D EXPLODED VIEW PARTS LIST42LC2D MAIN BOARD REPLACEMENT PARTS LISTCAPACITOR DATE 2006. 05 DATE 2006. 05 DATE 2006. 05 DIODEs COIL & CORE & INDUCTOR RESISTORs TRANSISTOR DATE 2006. 05 DATE 2006. 05 DATE 2006. 05 DATE 2006. 05 JACK BOARD OTHERs DATE 2006. 05 COIL & CORE & INDUCTOR DIODEs RESISTORs TRANSISTOR DATE 2006. 05 CONTROL BOARD IR/LED BOARD SIDE A/V BOARDPage Page Page Page Page Printed in Korea P/NO 38289S0043